Home / 117,816.22-162,684.48-109,268.56

Finding the Fourth Proportional to 117,816.22, 162,684.48 and 109,268.56

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Solution

The fourth proportional to 117,816.22, 162,684.48 and 109,268.56 is: 150,881.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,816.22 : 162,684.48 = 109,268.56 : x
  2. Step 2: Convert to fraction form
    117,816.22/162,684.48 = 109,268.56/x
  3. Step 3: Cross multiply
    117,816.22x = 162,684.48 × 109,268.56
  4. Step 4: Simplify right side
    117,816.22x = 17,776,298,863.95
  5. Step 5: Solve for x
    x = 17,776,298,863.95/117,816.22
  6. Step 6: Final answer
    x = 150,881.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.